ISO 12780-1:2011 Geometrical product specifications (GPS) — Straightness — Part 1: Vocabulary and parameters of straightness
Primary Standard: ISO
This part of ISO 12780 defines the terms and concepts related to straightness of individual integral features and covers complete straightness profiles only.
NOTE Straightness of an extracted derived axis of a cylinder is defined in ISO 12180-1 and ISO 12180-2.